When Earth is on one side of its orbit, the northern hemisphere is tipped toward the sun, so radiation hits more squarely, during about 15 hours of daylight per day-causing summer in the northern hemisphere and winter in the southern hemisphere.
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Uses a question and answer format, with illustrations, to explain why the sky is blue, what a rainbow is, what atoms are, how gravity works, and many other scientific facts and events.
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Previews available in: English
Showing 2 featured editions. View all 2 editions?
Edition | Availability |
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1
Science in a Nanosecond: Illustrated Answers to 100 Basic Science Questions
January 1991, Prometheus Books
Paperback
in English
0879756373 9780879756376
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2
Science in a nanosecond: illustrated answers to 100 basic science questions
1990, Prometheus Books
in English
0879756373 9780879756376
|
aaaa
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